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Orodental issues associated with facial port-wine stains.

LAKETAHOE, CALIF. -- Several years ago, David H. Darrow, MD, DDS, began to notice a pattern in the conversation threads on websites dedicated to support for parents of children with facial port-wine stains (PWS).

Parents were reporting that dental problems arose earlier on their child's side of face with the PWS, and that the alveolar ridge was lower on the side of the face that harbored the lesion. "Most importantly, parents were concerned that dentists were not touching their children because they were concerned about bleeding," Dr. Darrow said at the annual meeting of the Society for Pediatric Dermatology. A search in the medical literature for port-wine stains and oral cavity changes did not turn up much except for a few articles on bleeding. "One said that port-wine stains or capillary malformations rarely present major problems for the oral and maxillofacial surgeon. The other said that periodontal probing should not be done, as even gentle probing can result in uncontrolled bleeding," he noted.

This prompted Dr. Darrow, who directs the Center for Hemangiomas and Vascular Birthmarks at the Eastern Virginia Medical School, Norfolk, and coinvestigators, Megan B. Dowling, MD, and Yueqin Zhao, PhD, to characterize manifestations of PWS in the oral cavity via an anonymous paired survey of volunteers with facial PWS and their dentists who were recruited from birthmarks.com and 10 collaborating physician practices (J Am Acad Dermatol. 2012;67:687-93). Volunteers ranged in age from 1 to 62 years; mean age was 29 years. A total of 30 patients participated, and most (67%) were female.

The five most common oral manifestations reported by the patients were lip hyperplasia (53%), stained gingiva (47%), malocclusion (30%), bleeding gingiva (27%), and spacing between teeth (23%). Only 3% reported bleeding from dental procedures. When the researchers evaluated the orodental findings in the paired patient-physician responses, "most of the time there was good agreement between the patient and the dentist," Dr. Darrow said. "The only one that fell out of agreement was lip hyperplasia. That's probably because most dentists look right past the lips and into the oral cavity."

When the researchers examined patients who had stained gingiva versus those who did not, they found that early-stage lesions demonstrated a reddish blush of the oral mucosa and gingiva, while late-stage lesions demonstrated increased blush of the oral tissues, as well as hyperplasia of the soft tissue or bone in the affected area. "Based on our review of the literature, bleeding of gums is rarely prolonged and dental procedures are safe," Dr. Darrow said.

The findings are important, he continued, because capillary malformations of the oral cavity may result in periodontal disease associated with gingival overgrowth. The depth of the gingival pocket should be no more than 2-3 mm. "When you have areas of inflammation and deep pocket formation, plaque and bacteria slowly erode the connection between the tooth and the soft tissue," he explained. 'At some point, that pocket becomes so deep that it reaches down into the bone in which the tooth is anchored. As that bone is eroded, the teeth loosen and begin to fall out. The goals of therapy are prevention of periodontal disease with meticulous oral hygiene."

Soft-tissue hyperplasia may be exacerbated by medications such as calcium channel blockers, cyclosporine, and phenytoin and phenobarbital, which are sometimes used by patients with Sturge-Weber syndrome, he said.

Dr. Darrow reported having no financial disclosures.

BY DOUG BRUNK

REPORTING FROM SPD 2018

dbrunk@mdedge.com
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Title Annotation:PEDIATRICS
Author:Brunk, Doug
Publication:Dermatology News
Date:Oct 1, 2018
Words:573
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